Piezoelectric Actuation Mechanism Involving Extrinsic Nanodomain Dynamics in Lead‐Free Piezoelectrics
Kim, Sangwook, Miyauchi, Ryuki, Sato, Yukio, Nam, Hyunwook, Fujii, Ichiro, Ueno, Shintaro, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Advanced materials (Weinheim) (01.03.2023)
Published in Advanced materials (Weinheim) (01.03.2023)
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Journal Article
A-site cation off-centering contribution on ferroelectricity and piezoelectricity in pseudo-cubic perovskite structure of Bi-based lead-free piezoelectrics
Kim, Sangwook, Nam, Hyunwook, Fujii, Ichiro, Ueno, Shintaro, Moriyoshi, Chikako, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Scripta materialia (01.12.2021)
Published in Scripta materialia (01.12.2021)
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Journal Article
Structural and electrical characteristics of potential candidate lead-free BiFeO3-BaTiO3 piezoelectric ceramics
Kim, Sangwook, Khanal, Gopal Prasad, Nam, Hyun-Wook, Fujii, Ichiro, Ueno, Shintaro, Moriyoshi, Chikako, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Journal of applied physics (28.10.2017)
Published in Journal of applied physics (28.10.2017)
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Journal Article
Local structure analysis of BiFeO3-BaTiO3 solid solutions
Yoneda, Yasuhiro, Kim, Sangwook, Mori, Shigeo, Wada, Satoshi
Published in Japanese Journal of Applied Physics (01.11.2022)
Published in Japanese Journal of Applied Physics (01.11.2022)
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Journal Article
Revealing the role of heat treatment in enhancement of electrical properties of lead-free piezoelectric ceramics
Kim, Sangwook, Khanal, Gopal Prasad, Ueno, Shintaro, Moriyoshi, Chikako, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Journal of applied physics (07.07.2017)
Published in Journal of applied physics (07.07.2017)
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Journal Article
Mn–Nb co-doping in barium titanate ceramics by different solid-state reaction routes for temperature stable and DC-bias free dielectrics
Sapkota, Piyush, Fujii, Ichiro, Kim, Sangwook, Ueno, Shintaro, Moriyoshi, Chikako, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Ceramics international (15.01.2022)
Published in Ceramics international (15.01.2022)
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Journal Article
A correlation between piezoelectric response and crystallographic structural parameter observed in lead-free (1-x)(Bi0.5Na0.5)TiO3–xSrTiO3 piezoelectrics
Kim, Sangwook, Choi, Haein, Han, Sungjin, Park, Jin Su, Lee, Myang Hwan, Song, Tae Kwon, Kim, Myong-Ho, Do, Dalhyun, Kim, Won-Jeong
Published in Journal of the European Ceramic Society (01.04.2017)
Published in Journal of the European Ceramic Society (01.04.2017)
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Journal Article
Development of superparaelectric BaTiO3 system ceramics through heterovalent Mn-Nb co-doping for DC-bias free dielectrics
Sapkota, Piyush, Fujii, Ichiro, Kim, Sangwook, Ueno, Shintaro, Kuroiwa, Yoshihiro, Wada, Satoshi
Published in Japanese Journal of Applied Physics (01.11.2022)
Published in Japanese Journal of Applied Physics (01.11.2022)
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Journal Article
Highly Stable Transparent Amorphous Oxide Semiconductor Thin-Film Transistors Having Double-Stacked Active Layers
Park, Jae Chul, Kim, Sangwook, Kim, Sunil, Kim, Changjung, Song, Ihun, Park, Youngsoo, Jung, U-In, Kim, Dae Hwan, Lee, Jang-Sik
Published in Advanced materials (Weinheim) (21.12.2010)
Published in Advanced materials (Weinheim) (21.12.2010)
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Journal Article
Electric-field-induced structural changes for cubic system of lead-free and lead-based perovskite-type oxides
Kim, Sangwook, Noda, Shota, Abe, Tomohiro, Yokoi, Yuto, Nakahira, Yuki, Moriyoshi, Chikako, Kuroiwa, Yoshihiro
Published in Japanese Journal of Applied Physics (01.11.2020)
Published in Japanese Journal of Applied Physics (01.11.2020)
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Journal Article